.content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    margin-top: var(--header-height);
}

.content-header {
    text-align: center;
    padding: 60px 0 40px;
    position: relative;
}

.content-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}



/* 下载区域样式 */
.download-section {
    margin: 40px 0;
}

.recommended-download {
    margin-bottom: 40px;
}

.download-section h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.download-section h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), transparent);
    border-radius: 3px;
}

.download-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    display: flex;
    height: 280px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.download-card:hover {
    box-shadow: var(--card-hover-shadow);
}

.platform-icon {
    font-size: 2.5rem;
    color: var(--accent-primary);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
    border-radius: 50%;
}

.dl-items {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.dl-item {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.download-info {
    margin-top: 10px;
}

.download-info h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.dl-title {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.version {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: 5px;
}

.download-button {
    background: var(--secondary-color);
    color: var(--bg-secondary);
    border: 1px solid var(--primary-color);
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 7rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.download-button:hover {
    background: var(--bg-secondary);
}

.download-button i {
    margin-right: 8px;
}

/* 下载网格 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* 安装指南 */
.installation-guide {
    margin: 60px 0;
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--card-shadow);
}

.tabs {
    margin-top: 20px;
}

.tab-buttons {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
}

.tab-button {
    background: none;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    color: var(--text-secondary);
    position: relative;
    transition: color 0.3s ease;
}

.tab-button:hover {
    color: var(--accent-primary);
}

.tab-button.active {
    color: var(--accent-primary);
    font-weight: bold;
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-primary);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.tab-pane ol {
    padding-left: 20px;
    list-style-type: decimal;
}

.tab-pane li {
    margin-bottom: 10px;
}

code {
    background-color: var(--code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    color: var(--accent-primary);
}

/* 特性部分 */
.features {
    margin: 60px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.feature-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    box-shadow: var(--card-hover-shadow);
}

.feature-icon {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}


/* 推荐下载卡片样式 */
.recommended-download .download-card {
    border: 2px solid var(--accent-primary);
}

/* 高亮推荐下载 */
#recommended-card {
    border: 2px solid var(--accent-primary);
    position: relative;
    overflow: hidden;
}

#recommended-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-primary), transparent);
    opacity: 0.05;
    z-index: 0;
}

#recommended-card>* {
    position: relative;
    z-index: 1;
}